继续调整，手动开启定时任务相关逻辑代码，并处理相关bug

system/Tnb.OAuth/OAuthService.cs

@@ -145,7 +145,7 @@ public class OAuthService : IDynamicApiController, ITransient
     private readonly IMHandler _imHandler;
 
     private readonly BackgroundService _backgroundService; //added by ly on 20230916
-    private static CancellationTokenSource stopTimedTaskSvcCTS = new();
+    private static CancellationTokenSource stopTimedTaskSvcCTS;
     private static Dictionary<string, Func<BackgroundService, bool>> _fetchPropValue = new();
 
 
@@ -296,18 +296,26 @@ public class OAuthService : IDynamicApiController, ITransient
         //modify by ly on 20230918 登录成功后启动定时服务
         if (!userId.IsNullOrWhiteSpace())
         {
+
             if (!_fetchPropValue.TryGetValue("IsStarted", out var action))
             {
                 var isStartedProp = _backgroundService.GetType().GetProperty("IsStarted");
                 var paramExp = Expression.Parameter(typeof(BackgroundService), "_backgroundSvc");
-                var propExp = Expression.Property(Expression.ConvertChecked(paramExp, isStartedProp.DeclaringType), isStartedProp.GetGetMethod());
+                var propExp = Expression.Property(Expression.ConvertChecked(paramExp, isStartedProp.DeclaringType), isStartedProp);
                 var body = Expression.Lambda<Func<BackgroundService, Boolean>>(propExp, paramExp);
                 action = body.Compile();
                 _fetchPropValue["IsStarted"] = action;
             }
             if (!action?.Invoke(_backgroundService) ?? false)
             {
-                await _backgroundService.StartAsync(stopTimedTaskSvcCTS.Token);
+                stopTimedTaskSvcCTS = new();
+                try
+                {
+                    _backgroundService.StartAsync(stopTimedTaskSvcCTS.Token);
+                }
+                catch (TaskCanceledException)
+                {
+                }
             }
         }
 
@@ -411,8 +419,11 @@ public class OAuthService : IDynamicApiController, ITransient
     public async Task Logout([FromQuery] string ticket)
     {
         //modify by ly on 20230918
+        stopTimedTaskSvcCTS ??= new();
         await _backgroundService.StopAsync(stopTimedTaskSvcCTS.Token);
         stopTimedTaskSvcCTS.Cancel();
+        //stopTimedTaskSvcCTS.Dispose();
+
         UserManager.AsscessToken = string.Empty;
 
         var tenantId = _userManager.TenantId ?? "default";